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Interested is some surplus electronic components? then click surplus to download my list.
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Development of Scanner and Ham Radio related products.
Our DTMF decoder can be powered from a 9V battery or from your parallel printer port. It can detect and display all 16 DTMF digits on your computer screen in real-time. The Window's program can be placed in the minimize mode and still detect tones while you use your computer to do other things like Net surfing!!!!
We are now in the process of adding an DTMF decoder which will interface to the sound card gameport! Click now! to download!
Click here to download the printer port schematic or click here to view the schematic file DTMF_1.GIF right now!!
Let me know what you think about my page. Send mail by clicking here.
Click here to download the windows DTMF Demo Program windtmfd.exe! or click here to download the DOS DTMF Program dosdtmf.exe - Great for old XT's!
Click here to download a picture of our DTMF1100 product!
